Professor Clark has published widely on a range of topics in American literary study, though his primary interest is in the literature of the American South. He is General Editor of the Robert Penn Warren Correspondence Project.
- 20th and 21st Century Studies
- American Literature and Culture
- Popular Culture
- Race and Ethnicity Studies
- Religion, Literature, and Culture
Clark, William Bedford. Selected Letters of Robert Penn Warren, Volume Three: Triump and Transition. LSU Press, 2006.
Professor Clark has published widely in the field of American literature for over four decades. He served as General Editor of the Robert Penn Warren Correspondence Project (six volumes), and his poetry has appeared in MODERN AGE, the SEWANEE REVIEW, and other venues.